java common service cluster building [8] solrcloud

Solrcloud is the cluster of solr. This paper will explain how to build solrcloud cluster. 1. Preconditions Three CentOS servers The ip addresses of the three CentOS servers are 192.168.100.134, 135 and 136 respectively, and they ping each other zookeeper cluster is installed on three machines https://www.jianshu.com/p/48f142f8 ...

Posted on Fri, 08 Nov 2019 09:43:53 -0500 by PDP11

Dubbo application migration to Kubernetes recommendation

Migration of Dubbo application to docker Dubbo is a set of open-source service governance and rpc framework of Alibaba. The service provider publishes its own service through zookeeper, and then the service caller obtains the ip and port of the service through zk. The Dubbo client automatically selects and invokes the service provider through ...

Posted on Mon, 04 Nov 2019 05:16:40 -0500 by tyson

Installation and configuration of link monitoring tool pinpoint

Tags: APMInitial knowledge of pinpoint call chain tool === In this paper, we will focus on the architecture, installation and deployment of the pinpoint tool; 1. Introduction to pinpoint tool:                         . W ...

Posted on Sun, 03 Nov 2019 01:37:11 -0400 by ubersmuck

Flume configuration TailDirSource, FileChannel, HDFSSink and KafkaSink stand-alone test

Article directory Version selection Technology selection Stand alone configuration zookeeper kafka flume Startup program hadoop zookeeper kafka flume test Version selection assembly Version number Scala 2.11.x Hadoop 2.6.0-cdh5.7.0 Kafka (apache) 2.11-0.10.2.2 Flume 1.6.0-cdh5.7.0 Zookeeper 3. ...

Posted on Sun, 03 Nov 2019 00:07:28 -0400 by catalin.1975

Eureka service registration and discovery

I. why to use service registration to discover A scenario is proposed. Suppose that we have a service producer for the user's microservice, which provides a RESTful method to obtain the user through Id: @GetMapping("/{id}") public User findUserById(@PathVariable Long id){ User user = this.userMapper.findById(id); return user; } In add ...

Posted on Sat, 02 Nov 2019 14:45:25 -0400 by adyre

zabbix monitoring kafka consumption

I. several indicators monitored by Kafka 1. Lag: how many messages are not consumed lag = logsize offset2. logsize: the total number of messages saved by Kafka 3. offset: messages that have been consumed   II. View zookeeper configuration cat /home/app/zookeeper/zookeeper/conf/zoo.cfg | egrep -v "^$|^#" clientPort=2181   III. v ...

Posted on Fri, 01 Nov 2019 18:35:46 -0400 by Dev

Basic notes of Java online course 19-07-14

1.extends: inherit, the child class inherits the non private property of the parent class //Parent class public class Animal{ public int foot; public int getFoot() { return foot; } public void setFoot(int foot) { this.foot = foot; } public void attck() { System.out.print("Animals hav ...

Posted on Sat, 26 Oct 2019 11:27:24 -0400 by frigidman

Introduction and transformation of Dubbo framework

Both client and server must join Dubbo Step one: E3 manager service configuration pom.xml Publishing service found applicationContext-service.xml image.png Prefix before constraint xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.x ...

Posted on Sun, 20 Oct 2019 17:18:18 -0400 by anser316

dubbo integrates zipkin, the simplest way, which is effective through personal test.

Hello, I'm roast duck. I've tried many online versions and read many articles before. Now the easiest way to share, the least intrusive code.   1. Modify pom and introduce jar. <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency>     <groupId&g ...

Posted on Sun, 20 Oct 2019 14:17:00 -0400 by statrat

zookeeper registry

case The registry can be implemented using Eureka, which is relatively simple. You can see the previous examples. spring-cloud. So how to use zookeeper to implement the registry? Based on spring cloud, we can also implement it very simply. 1. Make use of the zookeeper cluster built before. zookeeper cluster 2. New maven Project 1. The POM fi ...

Posted on Mon, 14 Oct 2019 12:34:18 -0400 by spiyun